Hi Darren,
Thank you so much for your response.
It's always good to think outside the box. I am having issues with v6
but the linked v4 documentation is also applicable for v6. Disabling
DDNS update on renew helps taking the load from the DNS server.
However enabling lease-caching just changes the output of the
log-flooding lines slightly. It might take off some load from the DHCP
server though.
Not sure if I am the only one who ever noticed this issue with Windows
11 24H2 yet or if I am the only one facing it. But it's reproducible for
me on multiple different networks and always Windows 11 24H2 causing
this issue. No matter if it's a PC, Laptop, upgraded or freshly installed.
Logs I am getting now:
Jan 24 22:58:09 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017378789056] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x6f6749: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591983 seconds
Jan 24 22:58:10 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017336846016] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x53abc8: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591982 seconds
Jan 24 22:58:10 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017315874496] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x88d499: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591982 seconds
Jan 24 22:58:11 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017273931456] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x11ee76: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591981 seconds
Jan 24 22:58:11 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017252959936] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x5bfe23: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591981 seconds
Jan 24 22:58:12 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017221502656] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x57836e: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591980 seconds
Jan 24 22:58:12 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017190045376] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0xef19dd: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591980 seconds
Jan 24 22:58:13 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017504618176] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x43eeb5: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591979 seconds
Jan 24 22:58:13 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017431217856] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0xac849a: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591979 seconds
Jan 24 22:58:14 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017399760576] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0xc64e3e: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591978 seconds
Jan 24 22:58:14 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017410246336] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x2326ec: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591978 seconds
Jan 24 22:58:15 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017378789056] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x5f5ed7: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591977 seconds
Jan 24 22:58:15 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017336846016] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0xff349: lease for
address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591977 seconds
Jan 24 22:58:16 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017315874496] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0xff3db1: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591976 seconds
Jan 24 22:58:16 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017263445696] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x80f84d: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591976 seconds
Jan 24 22:58:17 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017231988416] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0xf63728: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591975 seconds
Jan 24 22:58:18 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017200531136] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0x9c1f5f: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591974 seconds
Jan 24 22:58:18 master kea-dhcp6[17139]: INFO
[kea-dhcp6.leases.140017494132416] DHCP6_LEASE_REUSE
duid=[00:01:00:01:2e:a1:6e:10:d0:ad:08:30:3f:97], tid=0xf5e796: lease
for address fddb:9f42:7afb:1::27 and iaid=181447944 has been reused for
2591974 seconds
...
Thanks again for your assistance.
I am going to apply cache and disable ddns-update-on-renew everywhere
until it's solved.
best regards,
Rainer
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